Files for download

p2a_8272.jpg 78.8kB (2005-07-22 02:40)

Interface board mounted inside ZX Spectrum +2A.

p3dosfdc.pdf 118.9kB (2004-01-10 06:18)

Repainted schematics and board layout in PDF file by CSS EL, 2004. (Original file name: +3DOS FDC Version 1.0.pdf.)

plus3bfloppydiskinterfaceschematics.gif 152.1kB (2002-09-20 20:23)

Schematics of original disk interface for ZX Spectrum +2A (with SEC9420C chip).

zx_radic_89k.jpg 87.1kB (2002-09-15 18:00)

Floppy interface for ZX+2A (uses its port decoding and 74S188 PROM). The same schematic can be found in the journal Amaterske Radio line A 12/1989 page 457.

p2p3sch.gif 90.3kB (2002-03-03 17:09)

Schematics redrawn by Philip Mulrane, 2002. (Uses ZX+2A build-in port decoding and 74S188 PROM.)

Links to other pages

http://www.simandl.cz/stranky/zxs/zxs.htm

The construction idea by Peter Simandl.

http://www.worldofspectrum.org/BackToThePlus3/

External FDC interface for ZX Spectrum +2A made by Philip Mulrane.

See also

DSKHNDLR

Low level floppy and hard disk drivers for Z80.

YAMOD.FDC765A

The FDC interface, compatibile to ZX Spectrum +3 or YABUS.ZXISA.

PL3MEM - ZX Spectrum IDE (ATA)

External box for ZX Spectrum with 128kB EPROM, 32kB SRAM in ZX+3 switching and 16b IDE interface.

ZXVGS P3M

ZXVGS for PL3MEM interface and ZX Spectrum +3 upgrade. Supports floppy disk and IDE interface.